k 3. You have $700 to build a rectangular fence to enclose a yard next to your house and divide the yard into two parts. The left and right sides cost $2 per foot, and the back side costs $5 per foot. The front side is along the house and costs nothing The fence in the middle (parallel to the left and right sides) costs $1 per foot. What is the largest area that can be enclosed? (Your answer should be the area. not the values of z and y.) /, Output: Reference